Nuckrar and Vibrava! Lake of Illusion! : Season 8 Episode 14

Lost in a desert, Ash and his friends see lots of identical pits in the ground--Trapinch burrows! A young woman named Elisa warns them they're trespassing on hazardous territory: these burrows connect to the many caves of the Trapinch Underground Labyrinth. Enter Hal, a Pokémon researcher and Elisa's old friend. He's being chased by a Donphan, but Elisa's Meganium clams Donphan down. It turns out that Hal once fell into a Trapinch burrow and discovered a lake in the Labyrinth--a lake where Trapinch gather and evolve into Vibrava! Now he's attached a transmitter to a ...